
S01E01 Episode 1
A reclusive mathematician returns to England to attend his brother's funeral, finding a world much changed from the one he left, and is pulled into a spiral of strange events.
Stephen and Yasim join forces with Russell after he saves them from an assassination attempt. They continue to unravel the mystery of why refugees like Nadir are dying from an unknown disease and why so many microbiologists are dying under mysterious circumstances. Conscious of the fact that they have been noticed they try to throw off those that have been watching them.
Stephen Ezard's search for the truth about the death of his brother Michael catapults him into an international conspiracy and a passionate love affair.